yum install libssh2-devel的时候提示如下的信息,安装附件中的包可以进行解决 Total download size: 2.0 M Installed size: 5.0 M Is this ok [y/N]: y Downloading Packages: Error Downloading Packages: libssh2-devel-1.4.2-2.el6_7.1.x86_64: failure: Packages/libssh2-devel-1.4.2-2.el6_7.1.x86_64.rpm from c6-media: [Errno 256] No more mirrors to try.